288 lines
13 KiB
C#
288 lines
13 KiB
C#
using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.MediaEncoding;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Controller.Subtitles;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.Providers;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Model.IO;
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using MediaBrowser.Model.Services;
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using MimeTypes = MediaBrowser.Model.Net.MimeTypes;
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using Microsoft.Extensions.Logging;
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namespace MediaBrowser.Api.Subtitles
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{
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[Route("/Videos/{Id}/Subtitles/{Index}", "DELETE", Summary = "Deletes an external subtitle file")]
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[Authenticated(Roles = "Admin")]
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public class DeleteSubtitle
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{
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
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public Guid Id { get; set; }
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[ApiMember(Name = "Index", Description = "The subtitle stream index", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "DELETE")]
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public int Index { get; set; }
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}
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[Route("/Items/{Id}/RemoteSearch/Subtitles/{Language}", "GET")]
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[Authenticated]
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public class SearchRemoteSubtitles : IReturn<RemoteSubtitleInfo[]>
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public Guid Id { get; set; }
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[ApiMember(Name = "Language", Description = "Language", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Language { get; set; }
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public bool? IsPerfectMatch { get; set; }
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}
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[Route("/Items/{Id}/RemoteSearch/Subtitles/{SubtitleId}", "POST")]
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[Authenticated]
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public class DownloadRemoteSubtitles : IReturnVoid
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public Guid Id { get; set; }
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[ApiMember(Name = "SubtitleId", Description = "SubtitleId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public string SubtitleId { get; set; }
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}
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[Route("/Providers/Subtitles/Subtitles/{Id}", "GET")]
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[Authenticated]
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public class GetRemoteSubtitles : IReturnVoid
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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}
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[Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format.")]
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[Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/{StartPositionTicks}/Stream.{Format}", "GET", Summary = "Gets subtitles in a specified format.")]
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public class GetSubtitle
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{
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public Guid Id { get; set; }
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[ApiMember(Name = "MediaSourceId", Description = "MediaSourceId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string MediaSourceId { get; set; }
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[ApiMember(Name = "Index", Description = "The subtitle stream index", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "GET")]
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public int Index { get; set; }
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[ApiMember(Name = "Format", Description = "Format", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Format { get; set; }
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[ApiMember(Name = "StartPositionTicks", Description = "StartPositionTicks", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public long StartPositionTicks { get; set; }
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[ApiMember(Name = "EndPositionTicks", Description = "EndPositionTicks", IsRequired = false, DataType = "string", ParameterType = "query", Verb = "GET")]
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public long? EndPositionTicks { get; set; }
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[ApiMember(Name = "CopyTimestamps", Description = "CopyTimestamps", IsRequired = false, DataType = "bool", ParameterType = "query", Verb = "GET")]
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public bool CopyTimestamps { get; set; }
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public bool AddVttTimeMap { get; set; }
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}
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[Route("/Videos/{Id}/{MediaSourceId}/Subtitles/{Index}/subtitles.m3u8", "GET", Summary = "Gets an HLS subtitle playlist.")]
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[Authenticated]
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public class GetSubtitlePlaylist
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{
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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[ApiMember(Name = "MediaSourceId", Description = "MediaSourceId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string MediaSourceId { get; set; }
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[ApiMember(Name = "Index", Description = "The subtitle stream index", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "GET")]
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public int Index { get; set; }
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[ApiMember(Name = "SegmentLength", Description = "The subtitle srgment length", IsRequired = true, DataType = "int", ParameterType = "query", Verb = "GET")]
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public int SegmentLength { get; set; }
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}
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public class SubtitleService : BaseApiService
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{
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private readonly ILibraryManager _libraryManager;
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private readonly ISubtitleManager _subtitleManager;
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private readonly ISubtitleEncoder _subtitleEncoder;
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly IProviderManager _providerManager;
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private readonly IFileSystem _fileSystem;
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private readonly IAuthorizationContext _authContext;
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public SubtitleService(ILibraryManager libraryManager, ISubtitleManager subtitleManager, ISubtitleEncoder subtitleEncoder, IMediaSourceManager mediaSourceManager, IProviderManager providerManager, IFileSystem fileSystem, IAuthorizationContext authContext)
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{
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_libraryManager = libraryManager;
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_subtitleManager = subtitleManager;
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_subtitleEncoder = subtitleEncoder;
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_mediaSourceManager = mediaSourceManager;
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_providerManager = providerManager;
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_fileSystem = fileSystem;
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_authContext = authContext;
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}
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public async Task<object> Get(GetSubtitlePlaylist request)
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{
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var item = (Video)_libraryManager.GetItemById(new Guid(request.Id));
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var mediaSource = await _mediaSourceManager.GetMediaSource(item, request.MediaSourceId, null, false, CancellationToken.None).ConfigureAwait(false);
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var builder = new StringBuilder();
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var runtime = mediaSource.RunTimeTicks ?? -1;
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if (runtime <= 0)
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{
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throw new ArgumentException("HLS Subtitles are not supported for this media.");
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}
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builder.AppendLine("#EXTM3U");
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builder.AppendLine("#EXT-X-TARGETDURATION:" + request.SegmentLength.ToString(CultureInfo.InvariantCulture));
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builder.AppendLine("#EXT-X-VERSION:3");
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builder.AppendLine("#EXT-X-MEDIA-SEQUENCE:0");
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builder.AppendLine("#EXT-X-PLAYLIST-TYPE:VOD");
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long positionTicks = 0;
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var segmentLengthTicks = TimeSpan.FromSeconds(request.SegmentLength).Ticks;
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var accessToken = _authContext.GetAuthorizationInfo(Request).Token;
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while (positionTicks < runtime)
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{
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var remaining = runtime - positionTicks;
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var lengthTicks = Math.Min(remaining, segmentLengthTicks);
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builder.AppendLine("#EXTINF:" + TimeSpan.FromTicks(lengthTicks).TotalSeconds.ToString(CultureInfo.InvariantCulture) + ",");
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var endPositionTicks = Math.Min(runtime, positionTicks + segmentLengthTicks);
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var url = string.Format("stream.vtt?CopyTimestamps=true&AddVttTimeMap=true&StartPositionTicks={0}&EndPositionTicks={1}&api_key={2}",
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positionTicks.ToString(CultureInfo.InvariantCulture),
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endPositionTicks.ToString(CultureInfo.InvariantCulture),
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accessToken);
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builder.AppendLine(url);
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positionTicks += segmentLengthTicks;
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}
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builder.AppendLine("#EXT-X-ENDLIST");
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return ResultFactory.GetResult(Request, builder.ToString(), MimeTypes.GetMimeType("playlist.m3u8"), new Dictionary<string, string>());
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}
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public async Task<object> Get(GetSubtitle request)
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{
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if (string.Equals(request.Format, "js", StringComparison.OrdinalIgnoreCase))
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{
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request.Format = "json";
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}
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if (string.IsNullOrEmpty(request.Format))
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{
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var item = (Video)_libraryManager.GetItemById(request.Id);
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var idString = request.Id.ToString("N");
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var mediaSource = _mediaSourceManager.GetStaticMediaSources(item, false, null)
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.First(i => string.Equals(i.Id, request.MediaSourceId ?? idString));
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var subtitleStream = mediaSource.MediaStreams
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.First(i => i.Type == MediaStreamType.Subtitle && i.Index == request.Index);
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return await ResultFactory.GetStaticFileResult(Request, subtitleStream.Path).ConfigureAwait(false);
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}
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if (string.Equals(request.Format, "vtt", StringComparison.OrdinalIgnoreCase) && request.AddVttTimeMap)
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{
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using (var stream = await GetSubtitles(request).ConfigureAwait(false))
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{
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using (var reader = new StreamReader(stream))
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{
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var text = reader.ReadToEnd();
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text = text.Replace("WEBVTT", "WEBVTT\nX-TIMESTAMP-MAP=MPEGTS:900000,LOCAL:00:00:00.000");
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return ResultFactory.GetResult(Request, text, MimeTypes.GetMimeType("file." + request.Format));
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}
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}
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}
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return ResultFactory.GetResult(Request, await GetSubtitles(request).ConfigureAwait(false), MimeTypes.GetMimeType("file." + request.Format));
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}
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private Task<Stream> GetSubtitles(GetSubtitle request)
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{
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var item = _libraryManager.GetItemById(request.Id);
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return _subtitleEncoder.GetSubtitles(item,
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request.MediaSourceId,
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request.Index,
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request.Format,
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request.StartPositionTicks,
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request.EndPositionTicks ?? 0,
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request.CopyTimestamps,
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CancellationToken.None);
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}
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public async Task<object> Get(SearchRemoteSubtitles request)
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{
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var video = (Video)_libraryManager.GetItemById(request.Id);
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return await _subtitleManager.SearchSubtitles(video, request.Language, request.IsPerfectMatch, CancellationToken.None).ConfigureAwait(false);
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}
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public Task Delete(DeleteSubtitle request)
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{
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var item = _libraryManager.GetItemById(request.Id);
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return _subtitleManager.DeleteSubtitles(item, request.Index);
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}
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public async Task<object> Get(GetRemoteSubtitles request)
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{
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var result = await _subtitleManager.GetRemoteSubtitles(request.Id, CancellationToken.None).ConfigureAwait(false);
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return ResultFactory.GetResult(Request, result.Stream, MimeTypes.GetMimeType("file." + result.Format));
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}
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public void Post(DownloadRemoteSubtitles request)
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{
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var video = (Video)_libraryManager.GetItemById(request.Id);
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Task.Run(async () =>
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{
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try
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{
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await _subtitleManager.DownloadSubtitles(video, request.SubtitleId, CancellationToken.None)
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.ConfigureAwait(false);
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_providerManager.QueueRefresh(video.Id, new MetadataRefreshOptions(new DirectoryService(Logger, _fileSystem)), RefreshPriority.High);
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}
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catch (Exception ex)
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{
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Logger.LogError(ex, "Error downloading subtitles");
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}
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});
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}
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}
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}
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